19687768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144763}}^1$

素因数の和:144786

約数の個数: 16

約数和(自身を含む): 39086280

約数和(自身を除く): 19398512

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144763, 289526, 579052, 1158104, 2460971, 4921942, 9843884, 19687768]

約数ペア:

[(1, 19687768), (2, 9843884), (4, 4921942), (8, 2460971), (17, 1158104), (34, 579052), (68, 289526), (136, 144763)]